31 lines
775 B
Python
31 lines
775 B
Python
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"""持仓相关 DTO。
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金额字段序列化为字符串，避免 JSON number 浮点精度隐患；
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份额 / 盈亏比例保留 4 位，金额保留 2 位。
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"""
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from decimal import Decimal
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from pydantic import BaseModel, field_serializer
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class HoldingResp(BaseModel):
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"""单条持仓记录。"""
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id: int
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customer_id: int
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product_id: int
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shares: Decimal
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cost_amount: Decimal
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current_value: Decimal
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profit_loss: Decimal
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profit_ratio: Decimal
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status: str
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@field_serializer("shares", "profit_ratio")
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def _fmt_ratio(self, value: Decimal) -> str:
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return f"{value:.4f}"
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@field_serializer("cost_amount", "current_value", "profit_loss")
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def _fmt_money(self, value: Decimal) -> str:
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return f"{value:.2f}"
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